On Thu, 2018-09-13 at 07:38 +0200, Christophe LEROY wrote:
>
> Le 13/09/2018 à 03:21, Tyrel Datwyler a écrit :
> > On 09/12/2018 05:36 PM, Michael Neuling wrote:
> > >
> > > >
> > > > > + (unsigned long)patch_addr);
> > > >
> > > > Please align second line as per Codying sty
Le 13/09/2018 à 02:36, Michael Neuling a écrit :
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c
@@ -23,11 +23,33 @@
#include
#include
+
This blank line is not needed
Ack
+static inline bool in_init_section(unsigned int *patch_addr)
+{
+
Le 13/09/2018 à 03:21, Tyrel Datwyler a écrit :
On 09/12/2018 05:36 PM, Michael Neuling wrote:
+ (unsigned long)patch_addr);
Please align second line as per Codying style.
Sorry I can't see what's wrong. You're (or Cody :-P) going to have to spell it
this out for
On 09/12/2018 05:36 PM, Michael Neuling wrote:
>
>>> --- a/arch/powerpc/lib/code-patching.c
>>> +++ b/arch/powerpc/lib/code-patching.c
>>> @@ -23,11 +23,33 @@
>>> #include
>>> #include
>>>
>>> +
>>
>> This blank line is not needed
>
> Ack
>
>>
>>> +static inline bool in_init_section(uns
> > --- a/arch/powerpc/lib/code-patching.c
> > +++ b/arch/powerpc/lib/code-patching.c
> > @@ -23,11 +23,33 @@
> > #include
> > #include
> >
> > +
>
> This blank line is not needed
Ack
>
> > +static inline bool in_init_section(unsigned int *patch_addr)
> > +{
> > + if (patch_addr <
Le 12/09/2018 à 07:20, Michael Neuling a écrit :
This stops us from doing code patching in init sections after they've
been freed.
In this chain:
kvm_guest_init() ->
kvm_use_magic_page() ->
fault_in_pages_readable() ->
__get_user() ->
__get_user_nocheck() ->
This stops us from doing code patching in init sections after they've
been freed.
In this chain:
kvm_guest_init() ->
kvm_use_magic_page() ->
fault_in_pages_readable() ->
__get_user() ->
__get_user_nocheck() ->
barrier_nospec();
We have a code patching
